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Добірка наукової літератури з теми "Pavements, Composite"

Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 28 січня 2023

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Статті в журналах з теми "Pavements, Composite"

1

Al-Qadi, Imad L., Samer Lahouar, Kun Jiang, Kevin K. McGhee, and David Mokarem. "Accuracy of Ground-Penetrating Radar for Estimating Rigid and Flexible Pavement Layer Thicknesses." Transportation Research Record: Journal of the Transportation Research Board 1940, no. 1 (January 2005): 69–78. http://dx.doi.org/10.1177/0361198105194000109.

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Анотація:
In this paper, the accuracy of ground-penetrating radar (GPR) for estimating pavement layer thicknesses is studied on the basis of the investigation of 17 pavement sites in Virginia. The considered sites have different types of pavement systems (flexible, continuously reinforced, jointed concretes, and composite) and different ages (0 to 5 years; 10 to 15 years; older than 20 years with a surface less than 10 years; and older than 20 years with a surface older than 10 years). Because of the diversity of the test sections considered, the accuracy of the GPR thicknesses was studied for pavement age for the same type of pavement and against pavement type for sites of the same age category. For flexible pavements, the GPR thickness error was found to increase as the pavement's age increased (4.4% error for pavements 0 to 5 years old versus 5.8% error for pavements older than 20 years with surfaces older than 10 years). Moreover, for the same age category, flexible pavements were found to have a relatively high thickness error (4.4%) compared with the continuously reinforced concrete pavements (3.0%) and with the jointed plain concrete pavements (2.3%) because of the relative homogeneity of concrete for electromagnetic wavelength when compared with the different dielectric profile of aged hot-mix asphalt layer.
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2

Owusu-Antwi, Emmanuel B., Lev Khazanovich, and Leslie Titus-Glover. "Mechanistic-Based Model for Predicting Reflective Cracking in Asphalt Concrete–Overlaid Pavements." Transportation Research Record: Journal of the Transportation Research Board 1629, no. 1 (January 1998): 234–41. http://dx.doi.org/10.3141/1629-26.

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Анотація:
One of the most common types of pavement on the national highway system is composite asphalt concrete (AC) over portland cement concrete (PCC). With a large percentage of PCC pavements either approaching or at the end of their design lives, AC overlay of PCC pavements has become one of the most common methods of rehabilitation. This has resulted in several thousand kilometers of composite AC/PCC pavements. As the level of heavy truck traffic loading continues to increase on a majority of pavements, it is likely that the total length of composite pavements in the nation will continue to increase considerably in the coming years. A common type of distress that occurs on these composite pavements is reflective cracking. This occurs when the joints or cracks in the underlying PCC pavement reflect through the AC overlay. A performance model that can be used to predict accurately the amount of reflective cracks in composite AC/PCC pavements has enormous potential uses. The development of a mechanistic-based performance model for predicting the amount of reflective cracks in composite AC/PCC pavements is described. Data from the Long-Term Pavement Performance database were used to develop the model. Using the principles of fracture mechanics, it is illustrated that a mechanistic-based model can be developed that closely models the real-life behavior of composite pavements and predicts the amount of reflective cracks. Because of the mechanistic nature of the model, it is particularly effective for performance prediction for design checks and pavement management. Also, since the model can take into account the relative damaging effect of the actual axle loads in any traffic distribution, it has great potential for application in cost allocation.
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3

Decky, Martin, Katarina Hodasova, Zuzana Papanova, and Eva Remisova. "Sustainable Adaptive Cycle Pavements Using Composite Foam Concrete at High Altitudes in Central Europe." Sustainability 14, no. 15 (July 23, 2022): 9034. http://dx.doi.org/10.3390/su14159034.

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Анотація:
Climate pavement adaptability is an integral part of a holistic concept of road design, construction, and pavement management. One of the possibilities for fulfilling the mentioned author’s premise in sustainable cycle pavements in the cold region of Central Europe is using composite foam concrete (CFC). To establish the credibility of the design of these pavements, we objectified the correlation dependencies of average annual air temperatures and frost indexes, for altitude regions from 314 to 858 m in the period 1971 to 2020, at its height above sea level. As part of the research on the increase in tensile strength during bending of CFC, extensive laboratory measurements were carried out and validated by isomorphic models of real roads, which enabled an increase in tensile strength during bending from 0.376 to 1.370 N·mm−2 for basalt reinforcing mesh. The research results, verified through FEM (Finite Element Method) models of cycle pavements, demonstrated a possible reduction of total pavement thickness from 56 to 38 cm for rigid pavements and 48 to 38 cm for flexible pavements.
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4

Wotring, Donald C., Gilbert Y. Baladi, Neeraj Buch, and Steve Bower. "Pavement Distress and Selection of Rehabilitation Alternatives: Michigan Practice." Transportation Research Record: Journal of the Transportation Research Board 1629, no. 1 (January 1998): 214–25. http://dx.doi.org/10.3141/1629-24.

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Анотація:
The Michigan Department of Transportation (MDOT) practice regarding the preservation, rehabilitation, and preventative maintenance actions for rigid, flexible, and composite pavements is presented and discussed. For each pavement type, the causes of distress and the corresponding MDOT fix alternatives are also presented. Examples of the MDOT practice regarding the selection of maintenance and rehabilitation alternatives for rigid, flexible, and composite pavements are also presented.
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Radziszewski, Piotr, Wioletta Jackiewicz-Rek, Michał Sarnowski, and Marek Urbański. "Fortification of Damaged Asphalt Pavements with Cement Concrete Slabs Reinforced with Next-Gen Bars – Part I: Laboratory Study." Archives of Civil Engineering 64, no. 3 (September 1, 2018): 67–80. http://dx.doi.org/10.2478/ace-2018-0030.

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Анотація:
AbstractOver the course of operation, asphalt road pavements are subjected to damage from car traffic loads and environmental factors. One of the possible methods of strengthening damaged asphalt pavements may be the application of an additional rigid layer in the form of a cement concrete slab with continuous reinforcement.This paper presents a material-technological and structural solution for composite pavement where a cement concrete slab with continuous HFRP bar reinforcement is used for strengthening. Based on laboratory tests, the serviceability of composite bar reinforcement of rigid pavement slabs was shown. A design for strengthening asphalt pavement with a concrete slab with steel bar and corresponding HFRP bar reinforcement was developed. The composition of a pavement cement concrete mix was designed, and experimental sections were formed. Based on laboratory tests of samples collected from the surfaces of experimental sections and the diagnostic tests carried out in “in situ” conditions, the authors will try, in the nearest future (Part II: In situ observations and tests), to confirm the effectiveness of strengthening asphalt pavements with cement concrete slabs with HFRP components.
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Ali, Saima, Xuemei Liu, Sabrina Fawzia, and David Thambiratnam. "Study of the Mechanical Performance of the Improved Multi-Layer Composites Under Drop Weight Impact Loads." International Journal of Structural Stability and Dynamics 20, no. 06 (June 2020): 2040002. http://dx.doi.org/10.1142/s0219455420400027.

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Анотація:
This study attempts to propose innovative multi-layer cement-based composites to have high impact resistance which could be used for runway. In this paper, the performances of two innovative multi-layer composite runway pavements using asphalt concrete-high strength concrete-cement-treated aggregate and asphalt concrete-high strength concrete-cement mortar in surface-base-subbase layer were evaluated under impact loads. ABAQUS/Explicit software was used to simulate loading condition and nonlinear stabilized runway pavement layers characteristics. In addition, a detailed parametric study was also carried out to explore the effects of the selected materials and load-related parameters in changing the performance of multi-layer composites. The findings of the study will be helpful to introduce protective multi-layer composite runway pavement and consequently to reduce the maintenance work of runway pavement.
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7

Siva Rama Krishna, U., and Chiranjeevi Tadi. "Sustainable concrete pavements for low volume roads-Scientometric analysis of the literature." IOP Conference Series: Earth and Environmental Science 982, no. 1 (March 1, 2022): 012005. http://dx.doi.org/10.1088/1755-1315/982/1/012005.

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Анотація:
Abstract Developing countries like India invest huge amounts of money for the construction and maintenance of different roads which includes all types of roads. In this research paper a critical review of literature on sustainable pavements for low volume roads was made using sustainable materials for paving Ultra-thin white topping concrete overlays sustainable new pavements like Pervious concrete pavements, Roller compacted concrete pavements, Cell filled concrete pavements, Self-Compacting Concrete (SCC) Pavement and additional discussion on energy harvesting pavements done. Ultra-thin white topping concrete overlay has better-proven performance but interface bond strength is very critical to resist shear stresses which cause debonding of composite concrete layers. The porous cement or bituminous concrete helps to recharge the groundwater reducing the heat islands and makes nature eco-friendly but on the other hand clogging effect can retain the water in the pavement and causes failure of the pavement. Roller compacted concrete pavement, Self-Compacting Concrete (SCC) Pavement and cell-filled concrete pavements are good in terms of performance disadvantages are less. The Indian standard code should be developed to implement energy harvesting pavements that help to produce electrical energy which meets the need of society. Further Scientometric analysis of sustainable concrete pavements for low volume roads done using VOS viewer software and the database of research work from Dimensions software. From the research gap in keyword occurrences on this topic, it is observed that rice husk ash, recycled aggregate, aluminum dross and fatigue, modulus of elasticity has a wide gap indicating further research on the combination of these key words make sustainable concrete pavements further discussed regarding high impact research papers published, similarly countries were discussed in detail.
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8

Yao, Kai, Fu Hua Wang, Zhong Ming Hou, Xiao Wen Zhao, and Zhan Bin Wen. "Design and Experiment on the Road Pavement for Rush to Repair." Advanced Materials Research 887-888 (February 2014): 797–800. http://dx.doi.org/10.4028/www.scientific.net/amr.887-888.797.

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Анотація:
For the problems such as layering and splitting of traditional sandwich structure composite, a resin matrix composite with lattice and interface reinforced structure has been designed, The composite material has high specific strength and stiffness. On this basis, a road pavement developed by this composite material used in engineer urgent was designed. The connection between the pavements was designed for quick assembling, which could make the pavement assemble operation was simple, fast and reliable. Experiments and engineer application indicate that the composite pavement has characters of low cost, simple maintenance, corrosion resistant and reusable, which has a great application prospect.
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Hou, Zhong Ming, Ling Duan, Kai Yao, and Xiao Wen Zhao. "Development of Reinforced Structure Designed Composite Pavement." Advanced Materials Research 887-888 (February 2014): 793–96. http://dx.doi.org/10.4028/www.scientific.net/amr.887-888.793.

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Анотація:
For the problems such as layering and splitting of traditional sandwich structure composite, a resin matrix composite with lattice and interface reinforced structure has been designed, and using vacuum forming process was developed in this paper. The composite material has high specific strength and stiffness. On this basis, a road pavement developed by this composite material used in engineer urgent was designed. This composite pavement with characters of light weight, high strength and good toughness, and its surface plate was hard, wear-resistant and non-slip. The connection between the pavements was designed for quick assembling, which could make the pavement assemble operation was simple, fast and reliable.
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10

Mousa, Momen, Mostafa A. Elseifi, Mohammad Bashar, Zhongjie Zhang, and Kevin Gaspard. "Field Evaluation and Cost Effectiveness of Crack Sealing in Flexible and Composite Pavements." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 12 (April 24, 2018): 51–61. http://dx.doi.org/10.1177/0361198118767417.

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Анотація:
One of the most common methods used to treat longitudinal and transverse cracks is crack sealing (CS), which is categorized as a preventive maintenance method. Field performance and cost-effectiveness of this treatment widely vary depending on pavement conditions and installation of the material. The objective of this study was to evaluate the field performance and cost-effectiveness of CS in flexible and composite pavements in hot and wet climates such as Louisiana, and to develop a model that would quantify the expected benefits of CS given project conditions. To achieve this objective, 28 control sections that were crack-sealed between 2003 and 2010 were monitored for at least four years. These sections included flexible and composite pavements, sealed and unsealed segments, and varying traffic levels. The performance of these sections was evaluated for the random cracking index (RCI) and roughness index (RI). Based on the results of this analysis, it was concluded that CS only has a significant impact on random cracking. When compared with untreated segments, CS extended pavement service life (PSL) by two years. When compared with the original pavement, CS extended PSL by 5.6 and 3.2 years for flexible and composite pavements, respectively, if applied at the correct time. The cost-benefit analysis indicated that CS is cost-effective whether asphalt emulsion or rubberized asphalt sealant is used. A non-linear regression model was developed to predict the extension in PSL because of CS without the need for performance data based on the average daily traffic (ADT), pavement type, and prior pavement conditions.
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Дисертації з теми "Pavements, Composite"

1

Fang, Xiazhi. "Development of distress and performance models of composite pavements for pavement management." Thesis, The University of North Carolina at Charlotte, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10269558.

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Roadway systems in the United States have become huge assets that need massive resources to maintain and operate. To meet the long-term performance goal, government agencies developed pavement management systems (PMSs) to help them manage roadway assets effectively with limited resources. Currently, some PMSs in the United States have been designed for two types of pavements: asphalt and concrete. The composite pavement, another pavement type, which is the result of concrete pavement rehabilitations and constructed with an asphalt surface layer over a concrete base, was treated as asphalt. However, the literature review indicates that compared to asphalt pavements, composite pavements perform differently and have different dominant distresses. In addition, as the amount of composite pavements increases, it is necessary to investigate them independently to incorporate more accurate information into the PMS. Therefore, the goal of this research is to improve and to expand the PMS with an additional pavement type: composite pavements. To achieve this goal, the PMS managed by the North Carolina Department of Transportation (NCDOT) was used as a case study, and several objectives were accomplished in this research: 1) to identify composite pavements and generate the raw data based on the construction history; 2) to clean the raw data and mitigate errors using statistical methods and engineers’ experiences; 3) to develop nonlinear models to describe dominant distresses and pavement performances; 4) to propose quantile regression (QR) models to predict pavement performances; and 5) to investigate the pavement treatment effectiveness by exploring performance index jumps.

Based on findings of this research, it was concluded that the automated data were more consistent with engineers’ experience and revealed more information than the windshield data; longitudinal cracking and transverse cracking were found to be the dominant distresses in composite pavements, followed by alligator cracking and raveling; Interstate composite pavements deteriorated faster than both US and NC composite pavements, and NC composite pavements had the slowest deterioration rate; QR models can be used as a new prediction method of pavement performances at both the project and the network levels; in general the “Resurfacing” treatment was more effective than the “Chip Seal” treatment; and The average service life of asphalt and composite pavements were similar, but composite pavements have a smaller variation of service lives than that of asphalt pavements.

It was recommended that the automated data should be used in future PMS related research projects, due to its better data quality, and because of the robust performance of QR models at both network and project levels, QR models should be incorporated in the future PMS.

In summary, this research expanded the existing NCDOT PMS with composite pavements, proposed systematic methods to improve the quality of performance data, enriched the diversity of prediction models by exploring potentials of QR models, and investigated the effectiveness of pavement treatments. Essentially, transportation agencies can use the findings of this research to make informative investment decisions.

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2

Núñez, Orlando. "Composite Pavements: A Technical and Economic Analysis During the Pavement Type Selection Process." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/36066.

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Анотація:
In most road infrastructure networks, the two prevalent types of pavements considered during the pavement type selection (PTS) process are flexible and rigid. Thus, these two structures are the most commonly constructed in the road industry. A consideration of a different pavement alternative is proposed in this study. Composite pavements, which are in essence a combination of a rigid base overlaid with a hot-mix asphalt (HMA) surface course, have the potential to meet the technical and economic requirements that are sought in the PTS process. For that reason, technical and economic evaluations were performed to justify the consideration of composite pavement systems in the PTS process.

At the technical level, composite pavement design guidelines from various transportation agencies were obtained and followed to design their respective composite pavement structures. A mechanistic analysis based on the multi-layer linear elastic theory was performed on different composite structures to understand the behavior they present when compared to traditional pavements. In addition, distresses affecting composite pavements such as fatigue (bottom-up and top-down) cracking, rutting, and reflective cracking were modeled and investigated using sensitivity analyses. At the economic level, a deterministic life cycle cost analysis (LCCA) based on Virginia Department of Transportation (VDOT) guidelines was performed. This LCCA compared two proposed composite pavements (one with a cement-treated base [CTB] and the other with a continuously reinforced concrete pavement [CRCP] base) to traditional flexible and rigid pavement structures. Furthermore, sensitivity analyses involving discount rates and traffic volumes were performed to investigate their effect on the present worth (PW) computation of the four pavement alternatives. Results from this study suggest that composite pavements have both the technical and economic potential to be considered during the PTS process.
Master of Science

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3

Shahid, Muhammad Aslam. "Improved cement bound base design for flexible composite pavements." Thesis, University of Nottingham, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362991.

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4

Swett, Lauren J. "Seasonal Variations of Pavement Layer Moduli Determined Using In Situ Measurements of Pavement Stress and Strain." Fogler Library, University of Maine, 2007. http://www.library.umaine.edu/theses/pdf/SwettLJ2007.pdf.

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5

Muñoz, Dante Mejia. "Finite element modeling of nondestructive test methods used for detection of delamination in hot mix asphalt pavements." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2009. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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6

Edwards, Jonathan Paul. "Laboratory characterisation of pavement foundation materials." Thesis, Loughborough University, 2007. https://dspace.lboro.ac.uk/2134/3067.

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Анотація:
Pavement foundations for major roads in the UK were historically designed on an empirical basis, related to a single design chart, restricting the incorporation of superior performing materials or materials for which the empirical data sets were not available. The adoption of performance based specifications was promoted as they are perceived to 'open up' the use of alternative materials (including 'local' sources of primary materials) or techniques, and allow for the incorporation of superior performance into the overall pavement design. Parallel developments to the performance based design of pavement foundations (allowing for superior performance) and in situ testing required the support of laboratory based performance tests. These laboratory based tests were required to determine material performance parameters (elastic modulus and resistance to permanent deformation) for both unbound and hydraulically bound pavement foundation materials. A review of the available laboratory apparatus indicated that they were either; unrealistic (and hence unable to provide the required material performance parameters), or overly complex and more suited to fundamental research. Therefore, the requirement for developmental research work was identified. The research reported herein details the development, manufacture and initial evaluation of simplified laboratory apparatus (the Springbox for unbound materials and static stiffness test for hydraulically bound mixtures) designed to produce the performance parameters of elastic modulus and relative resistance to permanent deformation for pavement foundation materials. The equipment and test procedure evaluation was undertaken across a range of materials, giving initial guidance on likely in situ performance. The innovative laboratory apparatus and materials guidance (including the potential to use recycled and secondary aggregates) was incorporated into key Highways Agency specification and guidance documents, which in turn influence construction practice outside of motorways and major trunk roads. This research concludes by outlining a number of recommendations for continued development and evaluation, including feeding back data sets from long term in situ performance testing for subsequent refinement of assumptions.
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Jacobs, Bradley L. "Evaluation of performance of composite bridge deck panels under static and dynamic loading and environmental conditions." Ohio : Ohio University, 2001. http://www.ohiolink.edu/etd/view.cgi?ohiou1173901688.

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8

Lambert, John Peter. "Novel assessment test for granular road foundation materials." Thesis, Loughborough University, 2007. https://dspace.lboro.ac.uk/2134/3099.

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Анотація:
Drivers for sustainability have made it necessary for the construction industry to adapt its traditional processes to become both more efficient and produce less waste. Performance based design and specification in the UK for motorways and trunk roads permits a very flexible approach to pavement design, material selection and performance related testing aimed at utilising materials to their maximum potential. However, it is clear that within the emerging philosophy of using materials that are 'fit for purpose' there are many technical challenges for design and specification. There is a need to develop suitable methods of evaluating materials prior to their being used on site. This project was born out of this requirement, with a particular emphasis on coarse granular materials due to their common role in capping construction and also their unique difficulty for measurement under laboratory conditions due to their large range of particle size. A novel assessment test for coarse capping materials for roads that can be used to indicate their likely short-term in situ performance, under controlled laboratory conditions before construction on site, has been developed during this research programme. Key findings relating to the behaviour of coarse capping materials, the use of stiffness measuring devices and variables that influence the measurement of composite stiffness are discussed in detail. The research highlights the necessity for adequate drainage and protection of foundation materials against increase in water content. When adopting a performance specification the timing of the pavement assessment is critical, both on site and in the laboratory. The performance measured on site should perhaps only be considered as a 'snapshot' relating to the stress state in the material at the time of testing.
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Kamal, Mumtaz Ahmed. "Behaviour of granular materials used in flexible pavements." Thesis, Queen's University Belfast, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333824.

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Mataramba, Kankanamge Kasun Dilhara Wimalasena. "Evalutate the performance of geosynthetic reinforced subgrades under monotonic loading." Thesis, Queensland University of Technology, 2022. https://eprints.qut.edu.au/235924/1/Kasun_Kankanamge_Thesis.pdf.

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Анотація:
A series of large-scale pavement model tests were conducted in a laboratory environment to investigate the effect of geosynthetics in improving the modulus of weak subgrades. Then, a series of supplement design charts that could be useful for industry practitioners to design geosynthetic reinforced flexible pavements were developed. The outcomes of this study promote the use of geosynthetics in road construction to make economical, environmentally friendly, climate resilient, and sustainable road infrastructure.
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Книги з теми "Pavements, Composite"

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Rao, Shreenath, Michael Darter, Derek Tompkins, Mary Vancura, Lev Khazanovich, Jim Signore, Erdem Coleri, Rongzong Wu, John Harvey, and Julie Vandenbossche. Composite Pavement Systems, Volume 2: PCC/PCC Composite Pavements. Washington, D.C.: Transportation Research Board, 2013. http://dx.doi.org/10.17226/22645.

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Rao, Shreenath, Michael Darter, Derek Tompkins, Mary Vancura, Lev Khazanovich, Jim Signore, Erdem Coleri, Rongzong Wu, John Harvey, and Julie Vandenbossche. Composite Pavement Systems, Volume 1: HMA/PCC Composite Pavements. Washington, D.C.: Transportation Research Board, 2013. http://dx.doi.org/10.17226/22685.

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3

1941-, Creese Robert C., GangaRao Hota V. S, and West Virginia University. College of Engineering and Mineral Resources. Constructed Facilities Center., eds. A Conference on Polymer Composites: Infrastructure renewal and economic development. Lancaster, PA: Technomic Pub. Co., 1999.

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4

Nai jiu xing fu he shi lu mian ji shu. Beijing: Ren min jiao tong chu ban she, 2009.

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5

Verenʹko, V. A. Dorozhnye kompozitnye materialy: Struktura i mekhanicheskie svoĭstva. Minsk: "Navuka i tėkhnika", 1993.

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6

Great Britain. Highways and Traffic Directorate. Structural maintenance of road pavements with flexible composite construction. London: Dept. of Transport, 1989.

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7

Buttlar, William G., Armelle Chabot, Eshan V. Dave, Christophe Petit, and Gabriele Tebaldi, eds. Mechanisms of Cracking and Debonding in Asphalt and Composite Pavements. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-76849-6.

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8

Diefenderfer, Brian K. Network-level pavement evaluation of Virginia's interstate system using the falling weight deflectometer. Charlottesville, Va: Virginia Transportation Research Council, 2008.

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9

Ivanova, L. A. Organomineralʹnye kompozit︠s︡ii dli︠a︡ remonta pokrytiĭ avtomobilʹnykh dorog: Monografii︠a︡. Krasnoi︠a︡rsk: Sibirskiĭ federalʹnyĭ universitet, 2011.

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10

Materials Engineering Conference (4th 1996 Washington, D.C.). Materials for the new millennium: Proceedings of the Fourth Materials Engineering Conference, Washington, D.C., November 10-14, 1996. New York: American Society of Civil Engineers, 1996.

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Частини книг з теми "Pavements, Composite"

1

Yang, Zhihao, Linbing Wang, Dongwei Cao, Rongxu Li, and Hailu Yang. "Test and Evaluation for Performance of Composite Pavement Structure." In Lecture Notes in Civil Engineering, 282–97. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1260-3_25.

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AbstractPerpetual pavement has become an important research field of highway development in China. Reasonable selection of pavement structure and ensuring the durability of the structure are one of the necessary measures to build perpetual pavements. The inverted asphalt pavement structure can not only provide high strength and good bearing capacity of semi-rigid base, but also make use of the graded crushed stones for restraining the reflection cracks of semi-rigid base. This paper presented a study on three pavement structures are, namely, a semi-rigid asphalt pavement and two inverted asphalt pavements. The performances of the three pavement structures after one million loading repetition are obtained. Taking rutting depth, deflection and dynamic response as evaluation indexes, the feasibility of inverted asphalt pavement structure as perpetual pavement structure is evaluated. It is found that the composite asphalt pavement structure with permeable asphalt mixture of large particle size as base and cement stabilized macadam as subbase has the best performance as perpetual pavement.
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Du, Rongyao. "Reflective Cracking in Composite Pavements—A Case Study." In Testing and Characterization of Asphalt Materials and Pavement Structures, 151–62. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95789-0_14.

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Man, L., J. Ling, L. Ren, Z. Wang, and J. Gao. "Rutting depth predictive model for airfield composite pavement." In Green and Intelligent Technologies for Sustainable and Smart Asphalt Pavements, 220–27. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003251125-36.

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Jayalath, Chamara Prasad Gunasekara, Chaminda Gallage, and Kasun Wimalasena. "Development of Design Guidelines for Composite-Geogrid Reinforced Unpaved Pavements." In Lecture Notes in Civil Engineering, 375–87. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-87379-0_28.

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Izevbekhai, Bernard, and Alexandra Akkari. "Performance of Exposed Aggregate Surface of Composite Pavements at MnROAD." In Pavement Performance: Current Trends, Advances, and Challenges, 1–25. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2012. http://dx.doi.org/10.1520/stp104436.

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Hun, M., Armelle Chabot, and F. Hammoum. "A Four-Point Bending Test for the Bonding Evaluation of Composite Pavement." In 7th RILEM International Conference on Cracking in Pavements, 51–60. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4566-7_6.

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Montestruque, Guillermo, Liedi Bernucci, Marcos Fritzen, and Laura Goretti da Motta. "Stress Relief Asphalt Layer and Reinforcing Polyester Grid as Anti-reflective Cracking Composite Interlayer System in Pavement Rehabilitation." In 7th RILEM International Conference on Cracking in Pavements, 1189–97. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4566-7_113.

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Copson, Malcolm, Peter Kendrick, and Steve Beresford. "Flexible and composite pavement." In Roadwork, 91–116. Sixth edition. | Abingdon, Oxon ; New York, NY : Routledge, 2020.: Routledge, 2019. http://dx.doi.org/10.1201/9781351205115-5.

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Rodriguez, Camilo Andrés Múñoz, Washington Peres Núñez, Jorge Augusto Pereira Ceratti, Lélio Antônio Brito, Ângela Gaio Graeff, and Luiz Carlos Pinto da Silva Filho. "Evaluating the Feasibility of Using an Engineered Cementitious Composite in the Rehabilitation of Pavements by Means of APT and Laboratory Tests." In Lecture Notes in Civil Engineering, 319–28. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-55236-7_33.

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Vijayan, Aathira, Leema Peter, P. K. Jayasree, and K. Balan. "Long-Term Strength Studies on Natural Fibre Composite (N-F-C) Sheets for Use as Separator in Flexible Pavements in Terms of CBR Values." In Lecture Notes in Civil Engineering, 337–46. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0559-7_38.

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Тези доповідей конференцій з теми "Pavements, Composite"

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Smith, Kurt, Prashant Ram, and Mark Snyder. "Two-Lift Concrete Pavements Constructed Under SHRP2 Project R21 Implementation Effort." In 12th International Conference on Concrete Pavements. International Society for Concrete Pavements, 2021. http://dx.doi.org/10.33593/e7xqgapy.

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Two-lift concrete pavements use two separate lifts of concrete that are placed in a wet-on-wet process to produce a monolithic structure. Although not new, two-lift concrete pavements are an innovative approach to optimizing the characteristics of each layer and, hence, the overall pavement structure. In 2014, the Federal Highway Administration (FHWA), working in collaboration with the American Association of State Highway and Transportation Officials (AASHTO), selected two-lift composite pavements for funding under the SHRP2 Implementation Assistance Program (IAP). Under that initiative, the design and construction of three composite pavement projects featuring two-lift concrete paving were sponsored. This paper summarizes some of the key design and construction details for each of these three projects, and also provides recommendations on the general applicability and selection of two-lift concrete pavements.
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Pandya, H., T. Weideli, M. Elshaer, Y. Mehta, and A. Ali. "Performance Evaluation of Composite Pavements Using Long-Term Pavement Performance (LTPP) Database." In International Airfield and Highway Pavements Conference 2019. Reston, VA: American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482452.032.

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James, D., I. MacGregor, and J. Hammond. "Design of high modulus composite pavements." In Proceedings of the Fourth European Symposium on Performance of Bituminous and Hydraulic Materials in Pavements, Bitmat 4. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2017. http://dx.doi.org/10.4324/9780203743928-49.

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D'Amours, Louis. "Success story of RCC for Heavy Loaded Pavement at Port of Montreal’s Container Terminals." In 12th International Conference on Concrete Pavements. International Society for Concrete Pavements, 2021. http://dx.doi.org/10.33593/glryoso1.

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At the port of Montreal, port pavements, particularly those of container terminals, are literally bombed with various types of loadings, such as gantry cranes, forklifts or front-end loaders, non‑standard single-axle trucks and conventional trucks. The typical features of this transhipment equipment are such that it can generate significant loads and stresses in pavement structures. Indeed, wheel loads for some gantry cranes can even reach 63.7 T per wheel, which is definitely higher than the usual conventional truck load, usually a maximum of 5 tons per dual wheels. This communication will first set out the significance of such equipment and its influence on pavements, and how container terminals design methods have evolved over the past decades. Subsequently, the sustainable pavement concept, which has been in use these past years, will be presented, as well as how the design methodology has evolved through the design development. These composite pavements, which consist of RCC slabs overlaid with bituminous concrete, were developed from past experience with RCC slabs, in order to reduce maintenance requirements for transhipment area operators. The communication will also show how the methods and specifications used to construct these pavements have evolved over the past years.
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Karahancer, S. S., M. Kiristi, S. Terzi, M. Saltan, A. U. Oksuz, and L. Oksuz. "Plasma Empowered Limestone Composite Structures for Asphalt Performance Applications." In Airfield and Highway Pavements 2015. Reston, VA: American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479216.015.

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Núñez, Orlando, Gerardo W. Flintsch, and Brian K. Diefenderfer. "Synthesis on Composite Pavement Systems: Benefits, Performance, Design, and Mechanistic Analysis." In Airfield and Highway Pavements 2008. Reston, VA: American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/41005(329)46.

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Xia, Yongxu, Zhanping You, Zidong Han, and Binggang Wang. "Temperature Gradient of RCC-AC Composite Pavements." In GeoCongress 2008. Reston, VA: American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/40972(311)130.

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Nayak, Pratik, and Umesh Chandra Sahoo. "Rejuvenating Aged Bitumen With Composite Castor Oil." In Eighth International Conference on Maintenance and Rehabilitation of Pavements. Singapore: Research Publishing Services, 2016. http://dx.doi.org/10.3850/978-981-11-0449-7-013-cd.

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Cao, Changbin, Yangming Luo, Mingjie Zhang, and Yu Sun. "Structural and Material Design of Composite Pavements in Road Tunnels." In 16th COTA International Conference of Transportation Professionals. Reston, VA: American Society of Civil Engineers, 2016. http://dx.doi.org/10.1061/9780784479896.058.

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Kazato, Takayuki, Keizo Kamiya, and Shigeki Takahashi. "The Development of Structural Design Method of Composite Pavement in Japan." In Eighth International Conference on Maintenance and Rehabilitation of Pavements. Singapore: Research Publishing Services, 2016. http://dx.doi.org/10.3850/978-981-11-0449-7-016-cd.

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Звіти організацій з теми "Pavements, Composite"

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McDaniel, Rebecca S. Best Practices for Patching Composite Pavements. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317116.

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Kang, Kyubyung, Soojin Yoon, Saumyang Patel, Yigong Ji, and Makarand Hastak. Enhanced Treatment Selection for Reflective Joint Cracking in Composite Pavements. Purdue University, December 2015. http://dx.doi.org/10.5703/1288284316006.

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Thompson, Marshall, and Ramez Hajj. Flexible Pavement Recycling Techniques: A Summary of Activities. Illinois Center for Transportation, July 2021. http://dx.doi.org/10.36501/0197-9191/21-022.

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Cold in-place recycling (CIR) involves the recycling of the asphalt portions (including hot-mix asphalt and chip, slurry, and cape seals, as well as others) of a flexible or composite pavement with asphalt emulsion or foamed asphalt as the binding agent. Full-depth reclamation (FDR) includes the recycling of the entire depth of the pavement and, in some cases, a portion of the subgrade with asphalt, cement, or lime products as binding agents. Both processes are extensively utilized in Illinois. This project reviewed CIR and FDR projects identified by the Illinois Department of Transportation (IDOT) from the Transportation Bulletin and provided comments on pavement designs and special provisions. The researchers evaluated the performance of existing CIR/FDR projects through pavement condition surveys and analysis of falling weight deflectometer data collected by IDOT. They also reviewed CIR/FDR literature and updated/modified (as appropriate) previously provided inputs concerning mix design, testing procedures, thickness design, construction, and performance as well as cold central plant recycling (CCPR) literature related to design and construction. The team monitored the performance of test sections at the National Center for Asphalt Technology and Virginia Department of Transportation. The researchers assisted IDOT in the development of a CCPR special provision as well as responded to IDOT inquiries and questions concerning issues related to CIR, FDR, and CCPR. They attended meetings of IDOT’s FDR with the Cement Working Group and provided input in the development of a special provision for FDR with cement. The project’s activities confirmed that CIR, FDR, and CCPR techniques are successfully utilized in Illinois. Recommendations for improving the above-discussed techniques are provided.
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Huang, Cihang, Yen-Fang Su, and Na Lu. Self-Healing Cementitious Composites (SHCC) with Ultrahigh Ductility for Pavement and Bridge Construction. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317403.

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Cracks and their formations in concrete structures have been a common and long-lived problem, mainly due to the intrinsic brittleness of the concrete. Concrete structures, such as rigid pavement and bridge decks, are prone to deformations and deteriorations caused by shrinkage, temperature fluctuation, and traffic load, which can affect their service life. Rehabilitation of concrete structures is expensive and challenging—not only from maintenance viewpoints but also because they cannot be used for services during maintenance. It is critical to significantly improve the ductility of concrete to overcome such issues and to enable better infrastructure quality. To this end, the self-healing cementitious composites (SHCC) investigated in this work could be a promising solution to the aforementioned problems. In this project, the team has designed a series of cementitious composites to investigate their mechanical performances and self-healing abilities. Firstly, various types of fibers were investigated for improving ductility of the designed SHCC. To enhance the self-healing of SHCC, we proposed and examined that the combination of the internal curing method with SHCC mixture design can further improve self-healing performance. Three types of internal curing agents were used on the SHCC mixture design, and their self-healing efficiency was evaluated by multiple destructive and non-destructive tests. Results indicated a significant improvement in the self-healing capacity with the incorporation of internal curing agents such as zeolite and lightweight aggregate. To control the fiber distribution and workability of the SHCC, the mix design was further adjusted by controlling rheology using different types of viscosity modifiers. The team also explored the feasibility of the incorporation of colloidal nano-silica into the mix design of SHCC. Results suggest that optimum amounts of nano-silica have positive influence on self-healing efficiency and mechanical properties of the SHCC. Better hydration was also achieved by adding the nano-silica. The bonding strength of the SHCC with conventional concrete was also improved. At last, a standardized mixing procedure for the large scale SHCC was drafted and proposed.
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PERFORMANCE OPTIMIZATION OF A STEEL-UHPC COMPOSITE ORTHOTROPIC BRIDGE WITH INTELLIGENT ALGORITHM. The Hong Kong Institute of Steel Construction, August 2022. http://dx.doi.org/10.18057/icass2020.p.160.

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To address the problems of pavement damage and fatigue cracking of orthotropic steel deck (OSD) in bridges, an innovative composite bridge deck composed of OSD with open ribs and ultra-high performance concrete (UHPC) layer was proposed. Firstly, the stress responses of fatigue-prone details in the composite bridge deck were investigated by refined two-scale finite element analysis. The results show that the rib-to-deck joint can achieve an infinite fatigue life, while the floorbeam detail of rib-tofloorbeam joint indicates finite fatigue life. Then, response surface models of stress ranges of fatigue details and structure weight were derived via both the central composite design and response surface method. Finally, to improve the fatigue performance for achieving an infinite fatigue life under relatively low structure weight, the multi-objective optimization was executed by an Improved Non-dominated Sorting Genetic Algorithm (NSGA-II). The obtained Pareto front shows that there is a strong competition between the stress range of fatigue-prone detail and structure weight.
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